IS F (2008-2014) Discussion topics related to the IS F model

In the market for an ISF intake...Recommendations?

Old 02-08-11, 01:32 PM
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Originally Posted by darbs242
^^ Elite said in Splats NA build that their prototype intake didn't make gains till it had headers, exhaust, ported tb & intake manifold behind it, then it pulled 14 wheel and 10ft lbs over stock air box/joe z pipe and filter. I know there are not a ton of people with those mods who have hit dynos and post but it may be that the after market intakes make a bigger difference once the car has the ability to suck more air...The stock intake is sufficient for the stock car.
http://www.lexusfforum.com/forums/showthread.php?t=3038 check it out
My goals are to have a majority of those mods it seems like once you have that many mods that 14 rwhp is more of a tweak than a gain. But HP gains are HP gains I guess. From a gain/$ aspect, the Joe-Z seems to be the way to go as none of them appear to really gain any HP from cooler air intake/increased volume but yet from reduced heat soak benefits. Anyone that's really schooled on this subject feel free to chime in.
Old 02-08-11, 02:26 PM
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I found this intake on one of the vendors website, it comes with an AAFC. Which controlling the AFR may be the only way to sustain the gains on this without the ECU adjusting to compensate the increased air reading from the MAF.

http://www.lextuners.com/srt-lexus-i...ke-system.html
Old 02-08-11, 02:40 PM
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^^^^I can't emphasis this enough - STAY AWAY FROM THE SWIFT SRT INTAKE. There have been a number of threads about this intake in the past, and nobody who installed still has it. It causes huge problems. Do a Search.

I started one for ya:

https://www.clublexus.com/forums/is-...exhaust-7.html

Lou
Old 02-08-11, 05:34 PM
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I recommend saving your $ for just header and exhaust. This is after following caymandive's dyno journey.
Old 02-08-11, 06:10 PM
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^^^ Agreed
Old 02-08-11, 06:28 PM
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Originally Posted by lowrideraz
^^^^I can't emphasis this enough - STAY AWAY FROM THE SWIFT SRT INTAKE. There have been a number of threads about this intake in the past, and nobody who installed still has it. It causes huge problems. Do a Search.

I started one for ya:

https://www.clublexus.com/forums/is-...exhaust-7.html

Lou
thanks. didn't search for info on it as it was the end of the day for me at the office and i had to leave.
Old 02-09-11, 02:53 PM
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The stock intake is the best! Spend your money on an exhaust like the JoeZ.
Old 02-09-11, 03:40 PM
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Originally Posted by stick
The stock intake is the best! Spend your money on an exhaust like the JoeZ.
^^
Old 02-09-11, 06:03 PM
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Y'ALL HAVE BEEN GREAT! I like what i have heard so far...i guess it eventually does come down to weighing the price and heat soak possibility.

but is this true with the heat shields that come with the aftermarket filters?

I have been so impressed with my exhaust im tempted to just get the Joe Z intake pipe as well....so K&N or Toms (wet/dry) drop in?
Old 02-09-11, 07:10 PM
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darbs242
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toms dry ^^^ pm splat he has a joe z pipe and toms filter hes about too sell... cant use it with his new blower
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